CVE-2019-1596
CVSS V2 High 7.2
CVSS V3 High 7.8
Description
A vulnerability in the Bash shell implementation for Cisco NX-OS Software could allow an authenticated, local attacker to escalate their privilege level to root. The attacker must authenticate with valid user credentials. The vulnerability is due to incorrect permissions of a system executable. An attacker could exploit this vulnerability by authenticating to the device and entering a crafted command at the Bash prompt. A successful exploit could allow the attacker to escalate their privilege level to root. Nexus 3000 Series Switches are affected in versions prior to 7.0(3)I7(4). Nexus 3500 Platform Switches are affected in versions prior to 7.0(3)I7(4). Nexus 3600 Platform Switches are affected in versions prior to 7.0(3)F3(5). Nexus 9000 Series Switches in Standalone NX-OS Mode are affected in versions prior to 7.0(3)I7(4). Nexus 9500 R-Series Line Cards and Fabric Modules are affected in versions prior to 7.0(3)F3(5).
Overview
- CVE ID
- CVE-2019-1596
- Assigner
- ykramarz@cisco.com
- Vulnerability Status
- Analyzed
- Published Version
- 2019-03-07T19:29:00
- Last Modified Date
- 2020-10-08T19:39:01
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| AND | ||||
| cpe:2.3:o:cisco:nx-os:*:*:*:*:*:*:*:* | 1 | OR | 7.0\(3\)i4\(9\) | |
| cpe:2.3:o:cisco:nx-os:*:*:*:*:*:*:*:* | 1 | OR | 7.0\(3\)i5 | 7.0\(3\)i7\(4\) |
| cpe:2.3:h:cisco:nexus_3000:-:*:*:*:*:*:*:* | 0 | OR | ||
| AND | ||||
| cpe:2.3:o:cisco:nx-os:*:*:*:*:*:*:*:* | 1 | OR | 7.0\(3\)i7 | 7.0\(3\)i7\(4\) |
| cpe:2.3:h:cisco:nexus_3500:-:*:*:*:*:*:*:* | 0 | OR | ||
| AND | ||||
| cpe:2.3:o:cisco:nx-os:*:*:*:*:*:*:*:* | 1 | OR | 7.0\(3\)f3\(1\) | 7.0\(3\)f3\(5\) |
| cpe:2.3:h:cisco:nexus_3600:-:*:*:*:*:*:*:* | 0 | OR | ||
| AND | ||||
| cpe:2.3:o:cisco:nx-os:*:*:*:*:*:*:*:* | 1 | OR | 7.0\(3\)i4\(9\) | |
| cpe:2.3:o:cisco:nx-os:*:*:*:*:*:*:*:* | 1 | OR | 7.0\(3\)i5 | 7.0\(3\)i7\(4\) |
| cpe:2.3:h:cisco:nexus_9000:-:*:*:*:*:*:*:* | 0 | OR | ||
| AND | ||||
| cpe:2.3:o:cisco:nx-os:*:*:*:*:*:*:*:* | 1 | OR | 7.0\(3\)f3\(1\) | 7.0\(3\)f3\(5\) |
| cpe:2.3:h:cisco:nexus_9500:-:*:*:*:*:*:*:* | 0 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:L/AC:L/Au:N/C:C/I:C/A:C
- Access Vector
- LOCAL
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- COMPLETE
- Integrity Impact
- COMPLETE
- Availability Impact
- COMPLETE
- Base Score
- 7.2
- Severity
- HIGH
- Exploitability Score
- 3.9
- Impact Score
- 10
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Attack Vector
- LOCAL
- Attack Compatibility
- LOW
- Privileges Required
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- HIGH
- Base Score
- 7.8
- Base Severity
- HIGH
- Exploitability Score
- 1.8
- Impact Score
- 5.9
References
| Reference URL | Reference Tags |
|---|---|
| https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190306-nxos-pe | Patch Vendor Advisory |
| http://www.securityfocus.com/bid/107340 | Third Party Advisory VDB Entry |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2019-1596 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-1596 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 17:09:37 | Added to TrackCVE | |||
| 2022-12-03 17:59:19 | psirt@cisco.com | ykramarz@cisco.com | CVE Assigner | updated |
| 2022-12-03 17:59:19 | 2019-03-07T19:29Z | 2019-03-07T19:29:00 | CVE Published Date | updated |
| 2022-12-03 17:59:19 | 2020-10-08T19:39:01 | CVE Modified Date | updated | |
| 2022-12-03 17:59:19 | Analyzed | Vulnerability Status | updated |